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Development of new spectroscopy method for unstable nuclei using hyper-polarized protons at room temperature

Research Project

Project/Area Number 16K05380
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionKyushu University

Principal Investigator

Sakaguchi Satoshi  九州大学, 理学研究院, 准教授 (70569566)

Project Period (FY) 2016-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2018: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords原子核(実験) / 原子核(理論) / 不安定核 / スピン偏極 / 弾性散乱 / 共鳴散乱 / 偏極分解能 / 偏極標的 / 実験核物理
Outline of Final Research Achievements

A solid polarized proton target working at a room temperature was developed to realize the nuclear spectroscopy with direct reactions utilizing low-energy radioactive-ion beams. The target system was constructed at Kyushu University Center for Accelerator and Beam Applied Science. The system consists of a C-type electromagnet, a laser subsystem, a microwave circuit and an NMR subsystem. In addition, the elastic scattering of protons from 6He was measured at RIKEN. The proton and neutron density distributions in the core region was extracted via the theoretical analysis using the relativistic impulse approximation.

Academic Significance and Societal Importance of the Research Achievements

本研究は、自然界に300種類ほど存在する安定な原子核の構造研究に重要な役割を果たしてきたスピン偏極プローブによる直接反応研究の手法を、数千種類あるとされる不安定な原子核の研究に適用するために、新たなスピン偏極技術による標的の開発を進めたものである。これにより、原子核が安定線から離れるにつれてどのように殻構造が変容するか、直接的に調べることが可能となり、核図表の広範な領域で普遍的に成り立つ原子核構造の描像の成立に寄与するものである。

Report

(5 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (33 results)

All 2019 2018 2017 2016 Other

All Int'l Joint Research (4 results) Journal Article (18 results) (of which Int'l Joint Research: 15 results,  Peer Reviewed: 15 results,  Open Access: 11 results,  Acknowledgement Compliant: 1 results) Presentation (10 results) (of which Int'l Joint Research: 7 results,  Invited: 1 results) Funded Workshop (1 results)

  • [Int'l Joint Research] 慶北大学(韓国)

    • Related Report
      2016 Research-status Report
  • [Int'l Joint Research] IPN Orsay(フランス)

    • Related Report
      2016 Research-status Report
  • [Int'l Joint Research] Oak Ridge National Laboratory(米国)

    • Related Report
      2016 Research-status Report
  • [Int'l Joint Research] University of Hong Kong/Beihang University(中国)

    • Related Report
      2016 Research-status Report
  • [Journal Article] Subbarrier fusion reactions of an aligned deformed nucleus2019

    • Author(s)
      K. Hagino and S. Sakaguchi
    • Journal Title

      Phys. Rev. C

      Volume: 100 Issue: 6 Pages: 064614-064614

    • DOI

      10.1103/physrevc.100.064614

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Proton elastic scattering at 200 A MeV and high momentum transfers of 1.7-2.7 fm-1 as a probe of the nuclear matter density of 6He2018

    • Author(s)
      S. Chebotaryov, S. Sakaguchi (62人中2番目), et al.
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 5 Issue: 5 Pages: 1-20

    • DOI

      10.1093/ptep/pty048

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Extraction of the Landau-Migdal Parameter from the Gamow-Teller Giant Resonance in 132 Sn2018

    • Author(s)
      J. Yasuda, M. Sasano, S. Sakaguchi (60人中39番目), et al.
    • Journal Title

      Phys. Rev. Lett.

      Volume: 121 Issue: 13 Pages: 132501-132501

    • DOI

      10.1103/physrevlett.121.132501

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Proton elastic scattering at 200 A MeV and high momentum transfers of 1.7-2.7 fm-1 as probe of nuclear matter density of 6He2018

    • Author(s)
      S. Chebotaryov, S. Sakaguchi (62人中2番目), et al.
    • Journal Title

      Prog. Theor. Exp. Phys.

      Volume: 印刷中

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Excitation of the Isovector Spin Monopole Resonance via the Exothermic 90Zr(12N, 12C) Reaction at 175 MeV/u2018

    • Author(s)
      S. Noji, S. Sakaguchi (30人中22番目), et al.
    • Journal Title

      Phys. Rev. Lett.

      Volume: 印刷中

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Systematic analysis of inelastic alpha scattering off self-conjugate A=4n nuclei2018

    • Author(s)
      S. Adachi, S. Sakaguchi (39人中28番目), et al.
    • Journal Title

      Phys. Rev. C

      Volume: 97 Issue: 1 Pages: 014601-014601

    • DOI

      10.1103/physrevc.97.014601

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Exclusive quasi-free proton knockout from oxygen isotopes at intermediate energies2018

    • Author(s)
      Kawase Shoichiro 他
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2018 Issue: 2 Pages: 1-8

    • DOI

      10.1093/ptep/pty011

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Neutron production cross sections for (don) reactions at 55 MeV2017

    • Author(s)
      T. Wakasa, S. Sakaguchi (7人中7番目), et al.
    • Journal Title

      Prog. Theor. Exp. Phys.

      Volume: 8 Issue: 8

    • DOI

      10.1093/ptep/ptx099

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Cross sections and analyzing powers for (p,np) reactions of 2H, 6Li, and 12C and 296 MeV2017

    • Author(s)
      T. Wakasa, S. Sakaguchi (20人中16番目), et al.
    • Journal Title

      Phys. Rev. C

      Volume: 96 Issue: 1 Pages: 014604-014604

    • DOI

      10.1103/physrevc.96.014604

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Complete set of deuteron analyzing powers from dp elastic scattering at 190 MeV/nucleon2017

    • Author(s)
      K. Sekiguchi, S. Sakaguchi (31人中19番目), et al.
    • Journal Title

      Phys. Rev. C

      Volume: 96 Issue: 6 Pages: 064001-064001

    • DOI

      10.1103/physrevc.96.064001

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Studies of Unstable Nuclei with Spin-Polarized Proton Target2016

    • Author(s)
      Satoshi Sakaguchi, Tomohiro Uesaka, Takashi Wakui, Sergey Chebotaryov, Tomomi Kawahara, Shoichiro Kawase, Evgeniy Milman, Tsz Leung Tang, Kenichiro Tateishi and Takashi Teranishi
    • Journal Title

      Proceedings of International Symposium on Spin Physics (SPIN2014), International Journal of Modern Physics: Conference Series

      Volume: 40 Pages: 1660071-1660071

    • DOI

      10.1142/s2010194516600715

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Study of Three-Nucleon Force Effect via Few-Nucleon Scattering2016

    • Author(s)
      Y. Wada, K. Sekiguchi, U. Gebauer, J. Miyazaki, T. Taguchi, M. Dozono, H. Sakai, N. Sakamoto, M. Sasano, Y. Shimizu, H. Suzuki, T. Uesaka, S. Kawase, Y. Kubota, C. S. Lee, T. L. Tang, K. Yako, Y. Maeda, K. Miki, H. Okamura, S. Sakaguchi, T. Wakasa
    • Journal Title

      International Journal of Modern Physics: Conference Series

      Volume: 40 Pages: 1660070-1660070

    • DOI

      10.1142/s2010194516600703

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Development of Neutron Polarization Measurement System for Studying NN interaction in Nuclear Medium2016

    • Author(s)
      J. Yasuda, T. Wakasa, M. Dozono, T. Fukunaga, S. Gotanda, K. Hatanaka, Y. Kanaya. Y. Maeda, Y. Maeda, K. Miki, Y. Nishio, T. Noro, K. Ohnaka, S. Sakaguchi, Y. Sakemi, K. Sekiguchi, A. Tamii, T. Taguchi and Y. Wada
    • Journal Title

      Proceedings of International Symposium on Spin Physics (SPIN2014), International Journal of Modern Physics: Conference Series

      Volume: 40 Pages: 1660073-1660073

    • DOI

      10.1142/s2010194516600739

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] The Spin Studies in Few-Body Systems at Nuclotron2016

    • Author(s)
      V. P. Ladygin, I. Dobrin, V. V. Fimushkin, S. Sakaguchi et al.
    • Journal Title

      Proceedings of International Symposium on Spin Physics (SPIN2014), International Journal of Modern Physics: Conference Series

      Volume: 40 Pages: 1660074-1660074

    • DOI

      10.1142/s2010194516600740

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Inverse kinematics (p,n) reaction studies using the WINDS slow neutron detector and the SAMURAI spectrometer2016

    • Author(s)
      J. Yasuda et al.,
    • Journal Title

      Nucl. Instr. Meth. B

      Volume: 未定 Pages: 393-396

    • DOI

      10.1016/j.nimb.2016.02.007

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Dependence of spin-polarized proton target performance on microwave resonator thickness parameter and operation temperature2016

    • Author(s)
      S. Chebotaryov, S. Sakaguchi et al.
    • Journal Title

      RIKEN Accel. Prog. Rep.

      Volume: 49 Pages: 174-174

    • Related Report
      2016 Research-status Report
    • Open Access / Int'l Joint Research
  • [Journal Article] Production of low-energy 4.17 MeV/nucleon 9C beam with polyethylene degrader at RIPS2016

    • Author(s)
      E. Milman, T. Teranishi, S. Sakaguchi et al.
    • Journal Title

      RIKEN Accel. Prog. Rep.

      Volume: 49 Pages: 160-160

    • Related Report
      2016 Research-status Report
    • Open Access / Int'l Joint Research
  • [Journal Article] Development of the He-filling system for the SAMURAI spectrometer2016

    • Author(s)
      V. Panin, S. Chebotaryov, S. Sakaguchi et al.
    • Journal Title

      RIKEN Accel. Prog. Rep.

      Volume: 49 Pages: 168-168

    • Related Report
      2016 Research-status Report
    • Open Access / Int'l Joint Research
  • [Presentation] Isospin-generalized proton elastic scattering as a probe for isovector nucleon density distribution2019

    • Author(s)
      Satoshi Sakaguchi
    • Organizer
      9th International Symposium on Nuclear Symmetry Energy
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Elastic scattering of 6He from polarized proton at 200 A MeV2018

    • Author(s)
      S. Sakaguchi
    • Organizer
      10th International Conference on Direct Reactions with Exotic Beams (DREB2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Proton elastic scattering from 6He at 200 A MeV measured with polarized proton target for RI-beam experiments2018

    • Author(s)
      S. Sakaguchi
    • Organizer
      The IX International Symposium on EXOtic Nuclei (EXON-2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Elastic scattering of polarized protons from 6He at 200 A MeV2018

    • Author(s)
      S. Sakaguchi
    • Organizer
      13th International Conference on Nucleus-Nucleus Collisions (NN2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Elastic scattering of polarized proton from 6He2017

    • Author(s)
      S. Sakaguchi
    • Organizer
      SAMURAI International Collaboration Workshop 2017
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Status of data analysis from experiment on p-6He elastic scattering at 200 MeV/nucleon2017

    • Author(s)
      S. Chebotaryov, S. Sakaguchi for SAMURAI13 Collaboration
    • Organizer
      日本物理学会 第72回年次大会
    • Place of Presentation
      Osaka University
    • Related Report
      2016 Research-status Report
  • [Presentation] Polarized proton target at SAMURAI: Elastic scattering of 6He from polarized proton2016

    • Author(s)
      S. Sakaguchi for SAMURAI13 Collaboration
    • Organizer
      SAMURAI International Collaboration Workshop 2016
    • Place of Presentation
      Kyushu University
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Experiment on elastic scattering of polarized protons from neutron-rich 6He isotopes at 200 MeV/nucleon2016

    • Author(s)
      S. Chebotaryov, S. Sakaguchi for SAMURAI13 Collaboration
    • Organizer
      日本物理学会 2016年秋季大会
    • Place of Presentation
      Miyazaki University
    • Related Report
      2016 Research-status Report
  • [Presentation] Search for low-lying resonances in 10N structure via 9C + p resonant scattering2016

    • Author(s)
      E. Milman, T. Teranishi, S. Sakaguchi for RRC27 Collaboration
    • Organizer
      日本物理学会 2016年秋季大会
    • Place of Presentation
      Miyazaki University
    • Related Report
      2016 Research-status Report
  • [Presentation] Elastic scattering of neutron-rich 6He nuclei from polarized protons at 200 A MeV2016

    • Author(s)
      S. Chebotaryov, S. Sakaguchi for SAMURAI13 Collaboration
    • Organizer
      22nd International Spin Symposium
    • Place of Presentation
      University of Illinois (USA)
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Funded Workshop] SAMURAI International Collaboration Workshop 20162016

    • Place of Presentation
      九州大学 伊都キャンパス(福岡県福岡市)
    • Year and Date
      2016-09-05
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2022-02-16  

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